/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.foundation.ssl;

import com.netflix.config.ConcurrentCompositeConfiguration;

public interface SSLOptionFactory {
  static SSLOptionFactory createSSLOptionFactory(String tag, ConcurrentCompositeConfiguration configSource) {
    String name = SSLOption.getStringProperty(configSource,
        null,
        "ssl." + tag + ".sslOptionFactory",
        "ssl.sslOptionFactory");
    return createSSLOptionFactory(name);
  }

  static SSLOptionFactory createSSLOptionFactory(String className) {
    if (className != null && !className.isEmpty()) {
      try {
        return (SSLOptionFactory) Class.forName(className).newInstance();
      } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
        return null;
      }
    }
    return null;
  }

  SSLOption createSSLOption();
}
